| 摘要 |
<p>The invention concerns a liquid product dispenser comprising a reservoir (R1, R2) provided, in its upper part, with a discharge orifice (V) closed by an intake valve (a) and emerging into a metering chamber (10) with variable volume communicating via an exhaust valve (e) with an discharge conduit (c) provided in the dispensing head (T). The invention is characterised in that said metering chamber (10) is delimited by the wall of a bellows (1) at least partly elastically deformable.</p> |
